CN211914170U

CN211914170U - Based on industrial waste gas desulfurization dust removal emission reduction device

Info

Publication number: CN211914170U
Application number: CN201921840193.6U
Authority: CN
Inventors: 付航
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-11-13
Anticipated expiration: 2029-10-30

Abstract

The utility model provides a desulfurization, dust removal and emission reduction device based on industrial waste gas, which relates to the technical field of desulfurization and dust removal and aims to solve the problems that once dust generated by a dust removal mechanism falls into a collection mechanism, if the dust cannot be cleaned in time, secondary back mixing of the dust is easy to return to air flow, and in the desulfurization process, gas directly passes through alkali liquor, and if the gas speed is too high, bubbles are generated, so that partial gas cannot fully react with the alkali liquor, and comprises a base frame; and a high-voltage electrostatic dust collector is fixedly mounted at the left end of the base frame. The utility model discloses in because high voltage electrostatic precipitator is connected with two negative pole pieces through the connecting pipe, produce the electrostatic field between the electrode tip, when the voltage of applying is enough high, just produce corona discharge near the electrode tip, form a large amount of ions and electron, when the flue gas passes through the electric field, the dust adsorbs last ion or electron and the lotus of electricity, and the lotus of electricity is under the effect of electric field force, falls to collect in the dust collection fill of below.

Description

Based on industrial waste gas desulfurization dust removal emission reduction device

Technical Field

The utility model relates to a desulfurization dust removal technical field, more specifically say, in particular to based on industrial waste gas desulfurization dust removal emission reduction device.

Background

At present, coal is still taken as the first priority in the proportion of energy consumption in China, so that the emission amount of sulfur compounds and smoke dust is increased year by year, and the control of the emission amount of the sulfur compounds and the smoke dust of fire coal is an urgent task in China. Because the prior art is limited, the combustion performance of the boiler is poor, the thermal efficiency of the boiler is low, the smoke generation amount is large, a large amount of sulfur compounds are mixed, and the desulfurization treatment is poor due to the fact that a desulfurization mechanism cannot adapt to the problem of large change of the smoke amount, so that inevitable pollution and damage are brought to the atmospheric environment.

Before the flue gas is discharged outside, pretreatment is required, for example, in patent application CN201620076920.6, the device for desulfurization in a boiler and flue gas activation, desulfurization and dust removal comprises a boiler, a flue gas pipeline, a desulfurization and dust removal reaction tower, a desulfurization and dust removal drainage pipeline, a desulfurization and dust removal dissolving tank, a flue gas discharge port and a limestone-gypsum desulfurization mechanism, wherein the desulfurization and dust removal reaction tower comprises a first catalyst layer, a second catalyst layer, a first water mist spray port, a second water mist spray port, a positive plate and a negative plate. The utility model discloses desulfurization and flue gas activation desulfurization dust collector in the boiler furnace pass through technical transformation, use the abundant reaction of sulphur in limestone-gypsum desulfurization mechanism and the coal-fired formation compound, the twice oxidation SO of catalyst of later desulfurization dust removal reaction tower, SO2 and thoroughly eliminate the oxide of sulphur with washing formula working method, positive negative plate electrode dust removal performance is excellent simultaneously, makes flue gas emission concentration be less than national regulation emission concentration, reaches the beneficial effect of high-efficient energy saving and emission reduction and environmental protection.

When the dust removal mechanism is used, once dust generated by the dust removal mechanism falls into the collection mechanism, if the dust cannot be cleaned in time, the dust is easily mixed back to the airflow for the second time, and in the desulfurization process, gas directly passes through the alkali liquor, and if the gas speed is too high, bubbles are generated, so that part of gas can not be fully reacted with the alkali liquor easily.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a device for removing dust and reducing emission based on industrial waste gas desulfurization is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a based on industrial waste gas desulfurization removes dust and reduces discharging device to solve when using, in case dust removal mechanism produces the dust and falls into the collection mechanism, if can not in time clear up, then make the dust secondary back mix easily get back to the air current, and among the desulfurization process, the mode that gas directly passes from alkali lye, if the gas velocity is too fast, the gassing then causes the problem that partial gas fails to fully react with alkali lye easily.

The utility model discloses based on purpose and efficiency of industrial waste gas desulfurization dust removal emission reduction device, by following concrete technical means reach:

a desulfurization, dust removal and emission reduction device based on industrial waste gas comprises a base frame; a high-voltage electrostatic dust collector is fixedly arranged at the left end of the base frame; a dust removing mechanism is fixedly arranged on the base frame on the right side of the high-voltage electrostatic dust collector; and a desulfurization mechanism is fixedly arranged on the base frame on the right side of the dust removal mechanism.

Furthermore, the high-voltage electrostatic dust collector comprises a negative electrode block and an electrode tip, the high-voltage electrostatic dust collector is connected with the two negative electrode blocks through a connecting pipe, the negative electrode blocks are respectively arranged on the front side wall and the rear side wall of the dust removing mechanism, the electrode tip is connected onto the negative electrode block, and the electrode tip is arranged in the inner wall of the dust removing mechanism.

Further, dust removal mechanism includes that the dust collects fill, dust removal case, waste gas advance the pipe, collect cover and communicating pipe, dust removal mechanism's lower extreme slides and embeds there is the dust of drawer form to collect and fights, the left side wall middle part of dust removal mechanism that the dust removal mechanism of dust removal mechanism top was collected to the dust has waste gas to advance the pipe perpendicularly left fixed mounting, waste gas advances the upper end fixed mounting of the dust removal mechanism of union coupling and has the dust removal case, the fixed middle part in upper end of dust removal case has the collection cover to butt joint, the upper end of collecting the cover is linked together through communicating pipe and desulfurization mechanism's lower extreme.

Furthermore, the dust removal mechanism further comprises a cleaning door and a filter plate, the cleaning door is rotatably installed on the dust removal mechanism below the negative electrode block through a hinge, the electrode tip is installed on the inner side of the cleaning door, the electrode tip is obliquely arranged downwards, and the filter plate with a plate shape is installed in the dust removal mechanism above the electrode tip.

Further, desulfurization mechanism includes that alkali lye advances pipe, air guide box, the outer calandria of clean gas and the outer calandria of alkali lye, alkali lye advances the pipe and installs the planar middle part lower extreme in desulfurization mechanism's front end, the middle part lower extreme fixed mounting of desulfurization mechanism right-hand member lateral wall has the outer calandria of alkali lye, desulfurization mechanism's upper end middle part fixed mounting has the outer calandria of clean gas, desulfurization mechanism's upper end fixed mounting has the air guide box.

Furthermore, the desulfurization mechanism further comprises air guide holes and baffle plates, triangular column-shaped baffle plates are arranged in the lower end inner box of the desulfurization mechanism in an up-down staggered mode, and the air guide boxes above the baffle plates are vertically provided with the air guide holes with uniform intervals.

Compared with the prior art, the utility model discloses following beneficial effect has:

because the high-voltage electrostatic dust collector is connected with two negative pole blocks through the connecting pipe, the negative pole blocks are respectively arranged on the front side wall and the rear side wall of the dust collection mechanism, the negative pole blocks are connected with the electrode tips, the electrode tips are arranged in the inner wall of the dust collection mechanism, when the polar plates of the high-voltage electrostatic dust collector are grounded, the polar lines are connected with the negative pole blocks, when high-voltage direct current is applied to the negative pole blocks of the high-voltage electrostatic dust collector, an electrostatic field is generated between the electrode tips, when the applied voltage is high enough, corona discharge is generated near the electrode tips, a large amount of ions and electrons are formed, when smoke passes through the electric field, the dust adsorbs the ions or the electrons to form charge, and the charge falls into the dust collection hopper below under the.

Because the triangular column-shaped baffle plates are arranged in the lower end inner box of the desulfurization mechanism in an up-down staggered manner, and the air guide box above the baffle plates is vertically provided with the air guide holes with uniform intervals, the contact time of gas and alkali liquor can be prolonged, and the dust removal effect is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the top left front axial view structure of the present invention.

Fig. 2 is a schematic view of the right rear upper side of the present invention.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic sectional view of the position a-a in fig. 3 according to the present invention.

Fig. 5 is the front right lower axial view structure schematic diagram of the cleaning door opening state of the present invention.

Fig. 6 is a schematic view showing a large part of the structure of fig. 5 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base frame; 2. a high-voltage electrostatic precipitator; 201. a negative pole block; 202. an electrode tip; 3. a dust removal mechanism; 301. a dust collection hopper; 302. a dust removal box; 303. an exhaust gas inlet pipe; 304. a collection hood; 305. a communicating pipe; 306. cleaning the door; 307. filtering the plate; 4. a desulfurization mechanism; 401. feeding alkali liquor into the pipe; 402. an air guide box; 403. a purified gas external discharge pipe; 404. an alkali liquor outer discharge pipe; 405. an air vent; 406. and (7) a baffle plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a desulfurization, dust removal and emission reduction device based on industrial waste gas, which comprises a base frame 1; the left end of the base frame 1 is fixedly provided with a high-voltage electrostatic dust collector 2, the high-voltage electrostatic dust collector 2 comprises a negative pole block 201 and an electrode tip 202, the high-voltage electrostatic dust collector 2 is connected with two negative pole blocks 201 through a connecting pipe, the negative electrode blocks 201 are respectively arranged on the front side wall and the rear side wall of the dust removing mechanism 3, the electrode head 202 is connected on the negative electrode blocks 201, the electrode head 202 is arranged in the inner wall of the dust removing mechanism 3, when the polar plate of the high-voltage electrostatic dust remover 2 is grounded, the polar line is connected with the negative pole block 201, when high-voltage direct current is applied to the negative pole block 201 of the high-voltage electrostatic dust collector 2, an electrostatic field is generated between the electrode tips 202, when the applied voltage is high enough, corona discharge is generated near the electrode tips 202 to form a large amount of ions and electrons, when smoke passes through the electric field, the dust adsorbs the ions or the electrons to form charges, and the charges fall into the dust collecting hopper 301 below to be collected under the action of the electric field force; the dust removal mechanism 3 is fixedly installed on the pedestal 1 on the right side of the high-voltage electrostatic dust collector 2, the dust removal mechanism 3 comprises a dust collection bucket 301, a dust removal box 302, a waste gas inlet pipe 303, a collection cover 304 and a communicating pipe 305, the drawer-shaped dust collection bucket 301 is arranged in the lower end of the dust removal mechanism 3 in a sliding mode, the waste gas inlet pipe 303 is vertically and fixedly installed in the middle of the left side wall of the dust removal mechanism 3 above the dust collection bucket 301 towards the left, the dust removal box 302 is fixedly installed at the upper end of the dust removal mechanism 3 at the joint of the waste gas inlet pipes 303, the collection cover 304 is butted at the fixed middle of the upper end of the dust removal box 302, the upper end of the collection cover 304 is communicated with the lower end of the; and a desulfurization mechanism 4 is fixedly arranged on the base frame 1 on the right side of the dust removal mechanism 3.

The dust removing mechanism 3 further comprises a cleaning door 306 and a filter plate 307, the cleaning door 306 is rotatably mounted on the dust removing mechanism 3 below the negative electrode block 201 through a hinge, the electrode head 202 is mounted on the inner side of the cleaning door 306, the electrode head 202 is obliquely arranged downwards, the filter plate 307 with a plate shape and a hole is mounted in the dust removing mechanism 3 above the electrode head 202, and after the dust removing mechanism is used for a period of time, the cleaning door 306 can be opened to clean dust.

Wherein, desulfurization mechanism 4 includes that alkali lye advances pipe 401, air guide box 402, clean gas outer row pipe 403 and alkali lye outer row pipe 404, alkali lye advances pipe 401 and installs the middle part lower extreme at desulfurization mechanism 4's front end plane, the middle part lower extreme fixed mounting of desulfurization mechanism 4 right-hand member lateral wall has alkali lye outer row pipe 404, desulfurization mechanism 4's upper end middle part fixed mounting has clean gas outer row pipe 403, desulfurization mechanism 4's upper end fixed mounting has air guide box 402, reducible aerial fog smugglies secretly, the aridity of the gas of guaranteeing to arrange outward.

The desulfurization mechanism 4 further comprises air guide holes 405 and baffle plates 406, the baffle plates 406 in the lower end inner box of the desulfurization mechanism 4 are in triangular column shapes and are arranged in an up-down staggered mode, the air guide boxes 402 above the baffle plates 406 are vertically provided with the air guide holes 405 with uniform intervals, the contact time of gas and alkali liquor can be prolonged, and the dust removal effect is improved.

The specific use mode and function of the embodiment are as follows:

when in use, because the high-voltage electrostatic dust collector 2 is connected with two negative electrode blocks 201 through the connecting pipe, the negative electrode blocks 201 are respectively arranged on the front side wall and the rear side wall of the dust removing mechanism 3, the electrode head 202 is connected on the negative electrode block 201, the electrode head 202 is arranged in the inner wall of the dust removing mechanism 3, when the polar plate of the high-voltage electrostatic dust collector 2 is grounded, the polar line is connected with the negative electrode block 201, when high-voltage direct current is applied on the negative electrode block 201 of the high-voltage electrostatic dust collector 2, an electrostatic field is generated between the electrode heads 202, when the applied voltage is high enough, corona discharge is generated near the electrode head 202 to form a large amount of ions and electrons, when smoke passes through the electric field, the dust adsorbs the ions or the electrons to form charged charges, the charged charges fall into the dust collecting hopper 301 below under the action of the electric field force, and the drawer-shaped dust collecting, a waste gas inlet pipe 303 is vertically and fixedly installed leftwards in the middle of the left side wall of the dust removing mechanism 3 above the dust collecting hopper 301, a dust removing box 302 is fixedly installed at the upper end of the dust removing mechanism 3 at the joint of the waste gas inlet pipe 303, a collecting cover 304 is butted in the fixed middle of the upper end of the dust removing box 302, the upper end of the collecting cover 304 is communicated with the lower end of the desulfurization mechanism 4 through a communicating pipe 305, and dust can be collected in the dust collecting hopper 301;

particularly, the alkali liquor inlet pipe 401 is installed at the middle lower end of the front end plane of the desulfurization mechanism 4, the middle lower end of the side wall of the right end of the desulfurization mechanism 4 is fixedly provided with an alkali liquor outer discharge pipe 404, the middle of the upper end of the desulfurization mechanism 4 is fixedly provided with an air purification outer discharge pipe 403, the upper end of the desulfurization mechanism 4 is fixedly provided with an air guide box 402, the entrainment of the aerial fog can be reduced, the dryness of the outer exhaust gas is ensured, the lower end inner box of the desulfurization mechanism 4 is internally provided with triangular column-shaped baffle plates 406 which are staggered up and down, and the air guide box 402 above the baffle plates 406 is vertically provided with air guide holes 405 with uniform intervals, so that the contact time of.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a based on industrial waste gas desulfurization dust removal emission reduction device which characterized in that: comprises a base frame (1); a high-voltage electrostatic dust collector (2) is fixedly arranged at the left end of the base frame (1); a dust removal mechanism (3) is fixedly arranged on the base frame (1) on the right side of the high-voltage electrostatic dust collector (2); and a desulfurization mechanism (4) is fixedly arranged on the base frame (1) on the right side of the dust removal mechanism (3).

2. The desulfurization, dust removal and emission reduction device based on industrial waste gas as set forth in claim 1, wherein: the high-voltage electrostatic dust collector (2) comprises negative electrode blocks (201) and electrode tips (202), the high-voltage electrostatic dust collector (2) is connected with the two negative electrode blocks (201) through connecting pipes, the negative electrode blocks (201) are respectively installed on the front side wall and the rear side wall of the dust collection mechanism (3), the electrode tips (202) are connected onto the negative electrode blocks (201), and the electrode tips (202) are embedded in the inner wall of the dust collection mechanism (3).

3. The desulfurization, dust removal and emission reduction device based on industrial waste gas as set forth in claim 1, wherein: dust removal mechanism (3) are collected including the dust and are fought (301), dust removal case (302), waste gas and advance tub (303), collect cover (304) and communicating pipe (305), the lower extreme of dust removal mechanism (3) slides and has built-in dust of drawer form to collect fill (301), the dust is collected and is fought the left side wall middle part of dust removal mechanism (3) of 301 top and perpendicularly left fixed mounting and have waste gas to advance tub (303), waste gas advances the upper end fixed mounting of dust removal mechanism (3) of tub (303) junction and has dust removal case (302), the fixed middle part in upper end of dust removal case (302) is docked and is collected cover (304), the upper end of collecting cover (304) is linked together through the lower extreme of communicating pipe (305) with desulfurization mechanism (4).

4. The desulfurization, dust removal and emission reduction device based on industrial waste gas as set forth in claim 1 or 3, wherein: the dust removing mechanism (3) further comprises a cleaning door (306) and a filter plate (307), the cleaning door (306) is rotatably mounted on the dust removing mechanism (3) below the negative electrode block (201) through a hinge, the electrode head (202) is mounted on the inner side of the cleaning door (306), the electrode head (202) is obliquely arranged downwards, and the filter plate (307) with a plate shape is mounted in the dust removing mechanism (3) above the electrode head (202).

5. The desulfurization, dust removal and emission reduction device based on industrial waste gas as set forth in claim 1, wherein: desulfurization mechanism (4) advance tub (401), air guide box (402), clean gas outer calandria (403) and alkali liquor outer calandria (404) including alkali liquor, alkali liquor advances tub (401) and installs the planar middle part lower extreme in the front end of desulfurization mechanism (4), the middle part lower extreme fixed mounting of desulfurization mechanism (4) right-hand member lateral wall has alkali liquor outer calandria (404), the upper end middle part fixed mounting of desulfurization mechanism (4) has clean gas outer calandria (403), the upper end fixed mounting of desulfurization mechanism (4) has air guide box (402).

6. The industrial waste gas-based desulfurization, dust removal and emission reduction device as set forth in claim 1 or 5, wherein: the desulfurization mechanism (4) further comprises air guide holes (405) and baffle plates (406), the baffle plates (406) in the lower end inner box of the desulfurization mechanism (4) are arranged in a triangular column shape in an up-down staggered mode, and the air guide holes (405) with uniform intervals are vertically formed in the air guide box (402) above the baffle plates (406).